281242017

素因数分解:

$3^3\times 7^2\times {\mathrm{212579}}^1$

素因数の和:212602

約数の個数: 24

約数和(自身を含む): 484682400

約数和(自身を除く): 203440383

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 212579, 637737, 1488053, 1913211, 4464159, 5739633, 10416371, 13392477, 31249113, 40177431, 93747339, 281242017]

約数ペア:

[(1, 281242017), (3, 93747339), (7, 40177431), (9, 31249113), (21, 13392477), (27, 10416371), (49, 5739633), (63, 4464159), (147, 1913211), (189, 1488053), (441, 637737), (1323, 212579)]